Which airport typically offers the quickest stopover for flights from Sydney to San Diego?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 06m.

What’s the fastest stopover option from Sydney to San Diego?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 17h 19m.

What’s the top stopover airport for flights from Sydney to San Diego?

San Francisco (SFO) – chosen by Cheapflights users on 39% of one-stop itineraries from Sydney to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to San Diego?

Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,356.

How long is the flight from Sydney to San Diego?

United Airlines and Alaska Airlines can get you from Sydney to San Diego in just under 17h 22m. Your travel time can differ by up to 06m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from Sydney to San Diego round-trip?

Air Canada, at $1,036, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Air Canada is 33% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular airlines that fly from Sydney to San Diego?

The most popular airlines flying from Sydney to San Diego are United Airlines, Air Canada and Alaska Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from SYD to SAN?

When flying from Sydney to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sydney to San Diego that include hotel bookings?

Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

Can I find deals for business class flights from Sydney to San Diego?

Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$890+ Cheap Flights from Sydney to San Diego

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Tue 3/1111:20 -

1 stop24h 05m

Tue 24/1117:15 -

1 stop21h 20m

Deal found 12/9$975

Tue 17/1111:20 -

1 stop24h 05m

Tue 8/1216:45 -

1 stop21h 50m

Deal found 11/9$979

Tue 20/1010:20 -

1 stop23h 40m

Tue 27/1017:15 -

1 stop21h 20m

Deal found 13/9$982

Mon 9/1111:20 -

1 stop23h 35m

Tue 1/1216:45 -

1 stop21h 50m

Deal found 14/9$1,001

Tue 17/1111:20 -

1 stop24h 05m

Tue 8/1216:45 -

2 stops26h 55m

Deal found 13/9$1,025

Wed 18/1111:20 -

1 stop24h 05m

Tue 8/1216:45 -

1 stop21h 50m

Deal found 12/9$1,034

Find flight deals from Sydney to San Diego

Round-trip from	$975
One-way from	$890
Popular in	December
Cheapest in	March
Average price	$1,737

Air Canada
3/11-24/11
2 total stops
45h 25m total
Sydney to San Diego

Search Deals

Air Canada
20/1-31/12
1 total stop
20h 44m total
Sydney to San Diego

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($33 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($33 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Mon 28/9

09:15-15:56

2 stops23h 41m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,073

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Tue 8/12

10:40-19:17

1 stop27h 37m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,192

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 12/12

21:40-07:12

2 stops28h 32m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,222

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 28/11

10:40-15:05

1 stop23h 25m

San Diego

Wed 31/12

00:00-18:00

Nonstop0h 00m

$1,284

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Tue 17/11

11:50-10:12

1 stop17h 22m

San Diego

Sun 24/1

16:06-09:20

1 stop22h 14m

$1,326

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Mon 16/11

11:20-11:31

1 stop19h 11m

San Diego

Sun 24/1

19:41-09:20

1 stop18h 39m

$1,326

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Tue 17/11

21:40-20:08

1 stop17h 28m

San Diego

Wed 9/12

17:35-19:45

1 stop31h 10m

$1,463

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sun 15/11

11:50-13:47

1 stop20h 57m

San Diego

Fri 29/1

19:41-09:20

1 stop18h 39m

$1,477

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 20/11

11:50-10:12

1 stop17h 22m

San Diego

Fri 29/1

19:41-09:20

1 stop18h 39m

$1,477

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Thu 19/11

21:40-20:08

1 stop17h 28m

San Diego

Wed 9/12

17:19-19:45

2 stops31h 26m

$1,497

Flights are sorted by cheapest return flights first.

Deals found on 12/9

Showing 1-10 of 18 resultsSorted by cheapest first

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.

SYD-SAN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

Prices

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,421). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,813). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Airfare is below average for this route at the moment.

Sydney to San Diego flights typically cost between $1,629 and $2,004 in November.
The cheapest return price found within the last 5 days was $975 on Air Canada (3 Nov–24 Nov).

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines,United Airlines, andAir Canada from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

12,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Alaska Airlines

7.9

Good

12,937 reviews

Alaska Airlines

7.9

Good

12,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

United Airlines

7.4

Good

10,214 reviews

Alaska Airlines

7.9

Good

12,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Air Canada

7.1

Good

11,640 reviews

Alaska Airlines

7.9

Good

12,937 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

How long is the flight from Sydney to San Diego?
United Airlines and Alaska Airlines can get you from Sydney to San Diego in just under 17h 22m. Your travel time can differ by up to 06m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Sydney to San Diego round-trip?
Air Canada, at $1,036, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Air Canada is 33% cheaper than the other options available to this destination.
Can I find deals for flights from Sydney to San Diego that include hotel bookings?
Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.
Can I find deals for business class flights from Sydney to San Diego?
Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sydney to San Diego?
Currently, March is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,421). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,813). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

San Ysidro

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to California

Flights by cabin class

Other flight options

Other flights from Sydney

Popular flights

Alternative routes for Sydney to San Diego

Sydney to Los Angeles flights

Sydney to Ontario flights

Sydney to San Francisco flights

Sydney to Las Vegas flights

Sydney to Long Beach flights

Sydney to San Jose flights

Coolangatta to Los Angeles flights

Sydney to Burbank flights

Sydney to Oakland flights

Sydney to Reno flights

Sydney to Santa Ana flights

Coolangatta to San Francisco flights

Sydney to Sacramento flights

Sydney to Palm Springs flights

Newcastle to Los Angeles flights

Ballina to Los Angeles flights

Coolangatta to San Jose flights

Top 3 airlines flying from Sydney to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,036	Average$1,503	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Alaska Airlines	Cheapest$1,044	Average$1,375	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	Cheapest$1,135	Average$1,565	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Sydney to San Diego from $890

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to San Diego

Cheapest flights from Sydney to San DiegoExplore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Sydney to San DiegoDiscover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Sydney to San DiegoDiscover last-minute flight deals from Sydney to San Diego. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to San Diego. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Sydney to San DiegoSearch for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Find flight deals from Sydney to San Diego

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Sydney to San Diego?

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

How much does it cost for a return flight from Sydney to San Diego?

Airfare is below average for this route at the moment.

Sydney to San Diego flights typically cost between $1,629 and $2,004 in November.The cheapest return price found within the last 5 days was $975 on Air Canada (3 Nov–24 Nov).

What’s the top stopover airport for flights from Sydney to San Diego?

San Francisco (SFO) – chosen by Cheapflights users on 39% of one-stop itineraries from Sydney to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to San Diego?

Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,356.

What’s the fastest stopover option from Sydney to San Diego?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 17h 19m.

Which airport typically offers the quickest stopover for flights from Sydney to San Diego?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 06m.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines,United Airlines, andAir Canada from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Sydney to San Diego?

What are the cheapest airlines flying from Sydney to San Diego round-trip?

Can I find deals for flights from Sydney to San Diego that include hotel bookings?

How can I find direct flights from Sydney to San Diego?

Can I find deals for business class flights from Sydney to San Diego?

What is the cheapest month to book a flight from Sydney to San Diego?

Travelling to a place near San Diego?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sydney to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Sydney to San Diego by cabin class

Find flights from Sydney to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and San Diego flights

Browse other Sydney and San Diego flight options. Last updated on 16 September 2026.

Other flights from Sydney

Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 3 airlines flying from Sydney to San Diego

Fly with Cheapflights

How does Cheapflights help users find flights from Sydney to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

100% Free

Book with flexibility

Travel Smart

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Sydney to San Diego
Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Sydney to San Diego
Discover last-minute flight deals from Sydney to San Diego. Data last updated 16 September 2026 and is based on user searches.

One-way flights from Sydney to San Diego
Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 16 September 2026.

Sydney to San Diego flights typically cost between $1,629 and $2,004 in November.
The cheapest return price found within the last 5 days was $975 on Air Canada (3 Nov–24 Nov).